نتایج جستجو برای: intelligent model

تعداد نتایج: 2158702  

Journal: :پژوهش های مدیریت در ایران 0
عادل آذر دانشیار رشته مدیریت، دانشگاه تربیت مدرس، تهران، ایران امیر افسر مربی مدیریت، دانشگاه قم، قم، ایران پرویز احمدی استادیار مدیریت، دانشگاه تربیت مدرس، تهران، ایران

today, stock investment has become an important mean of national finance. apparently, it is significant for investors to estimate the stock price and select the trading chance accurately in advance, which will bring high return to stockholders. in the past, long-term trading processes and many technical analysis methods for stock market were put forward. however, stock market is a nonlinear sys...

Journal: :ژورنال بین المللی پژوهش عملیاتی 0
m. nasiri s. zojaji f. boroumand b. minaei-bidgoli f. minaei-bidgoli

breast cancer is a malignant tumor and the most common cancer among american women that starts from cells of the breast. the growth of the size of data exceeds the ability of humans to analyze the data. so we need some intelligent machines that can analyze datasets intelligently for us. we propose a multi nominal logit model to evaluate correlation between risk factors of breast tumor. our mode...

Journal: :آب و خاک 0
حمید زارع ابیانه مریم بیات ورکشی

abstract from longley, the various equations for determining the runoff to water management are presented by the researchers that are widely used in hydrologic sciences. in this study by using observational data, was evaluated empirical, artificial neural network (ann) and ca-active neuro-fuzzy inference system (canfis) models in estimation of runoff. for this purpose, by using climatic and phy...

Journal: :The Open Automation and Control Systems Journal 2015

Journal: :مهندسی صنایع 0
حسین رضایی کارشناس ارشد مدیریت پروژه و ساخت- دانشکده معماری و شهرسازی- دانشگاه شهید بهشتی پریسا قبادی دانشجوی دکترای مهندسی معدن- دانشکده مهندسی معدن و متالورژی- دانشگاه صنعتی امیرکبیر احد نظری استادیار مدیریت پروژه و ساخت- دانشکده معماری و شهرسازی- دانشگاه شهید بهشتی محمد تقی عیسایی دانشیار مهندسی صنایع- دانشکده اقتصاد و مدیریت- دانشگاه صنعتی شریف

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a new intelligent photovoltaic (PV) panel structure to extract the maximum power in mismatch irradiance is proposed. In conventional structures, difference of irradiance between series panels can cause the deviation of maximum power point. In this condition tracking MPP becomes difficult and reduces efficiency. Improvements in power electronics and its effects in PV industrial technology, devel...

Journal: :Procedia Computer Science 2015

Journal: :Journal of Internet Technology and Secured Transactions 2020

Journal: :International Journal of Advanced Network, Monitoring and Controls 2019

Journal: :IEEE open journal of the Communications Society 2021

An accurate and simple analytical model for the computation of reflection amplitude phase Reconfigurable Intelligent Surfaces is presented. The based on a transmission-line circuit representation RIS which takes into account physics behind structure including effect all relevant geometrical electrical parameters. proposed allows to take incidence angle, mutual coupling among elements interactio...

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